Finding the Fourth Proportional to 2,715.27, 4,073.61 and 1,255.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.27 : 4,073.61 = 1,255.47 : x
2. Step 2: Convert to fraction form
   2,715.27/4,073.61 = 1,255.47/x
3. Step 3: Cross multiply
   2,715.27x = 4,073.61 × 1,255.47
4. Step 4: Simplify right side
   2,715.27x = 5,114,295.15
5. Step 5: Solve for x
   x = 5,114,295.15/2,715.27
6. Step 6: Final answer
   x = 1,883.53